var or const in javascript
// var declares a variable, meaning its value will vary.
// const declares a constant, meaning its value will remain
// consistant and not change.
// If your variable changes throughout the program or website,
// declare it using a var statement.
// Otherwise, if its value does not change, declare it using
// a const statement.
const myConst='A const does not change.';
var myVar='A var does change.';
var myVar=2;const let var
var greeter;
console.log(greeter); // greeter is undefined
greeter = "say hello"what is the different between var and let and const in js
var tester = "hey hi";
function newFunction() {
var hello = "hello";
}
console.log(hello); // error: hell
o is not definedCopyright © 2021 Codeinu
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